Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number S-3-31-M-4-F with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number S-3-31-M-4-F It is listed as Packing Assembly. component manufactured by Parker Hannifin Corp Engineered Polymer Systems Div, specifically under CAGE Code 1K209. It is also accompanied by the NSN 5330011713431 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.